1-hydroxy-1,1,3,3,3-pentaphenyldisiloxane, [Si2O(OH)(Ph)(5)], at 150 K

abstract

In the crystal structure of the title compound, C30H26O2Si2, one Si(Ph)(3) residue is bound to another Si(OH)(Ph)(2) residue via a nonlinear Si-O-Si bridge. The asymmetric unit is composed of four [Si2O(OH)(Ph)(5)] molecules. Each pair of adjacent molecules interacts via strong and highly directional O-H center dot center dot center dot O hydrogen bonds connecting neighbouring Si-OH units, and via inter-unit O-H center dot center dot center dot pi contacts connecting the second hydroxyl groups with adjacent phenyl groups.

subject category

Crystallography

authors

Amarante, TR; Coelho, AC; Klinowski, J; Goncalves, IS; Paz, FA

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